31421142441325 has 192 divisors, whose sum is σ = 49241073369600. Its totient is φ = 19763406673920.

The previous prime is 31421142441313. The next prime is 31421142441329. The reversal of 31421142441325 is 52314424112413.

It is not a de Polignac number, because 31421142441325 - 2⁹ = 31421142440813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31421142441329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13679207577 + ... + 13679209873.

It is an arithmetic number, because the mean of its divisors is an integer number (256463923800).

Almost surely, 2^{31421142441325} is an apocalyptic number.

31421142441325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31421142441325 is a deficient number, since it is larger than the sum of its proper divisors (17819930928275).

31421142441325 is a wasteful number, since it uses less digits than its factorization.

31421142441325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061 (or 3042 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

Adding to 31421142441325 its reverse (52314424112413), we get a palindrome (83735566553738).

The spelling of 31421142441325 in words is "thirty-one trillion, four hundred twenty-one billion, one hundred forty-two million, four hundred forty-one thousand, three hundred twenty-five".